Massoia lactone

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Massoia lactone
IUPAC name
Other names
(R)-5-hydroxy-2-decenoic acid lactone
C-10 massoia lactone
3D model (JSmol)
ECHA InfoCard 100.119.448
EC Number 259-359-9
Molar mass 168.24 g/mol
Density 0.982 g/cm3
Melting point −95.2 °C (−139.4 °F; 178.0 K)
Boiling point 170 to 174 °C (338 to 345 °F; 443 to 447 K)
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references

Massoia lactone is an alkyl lactone derived from the bark of the Massoia tree (Cryptocaria massoia)[1] which is found in Papua, Indonesia though the compound can also be found as a component of cane sugar molasses, cured tobacco, and the essential oil of Sweet Osmanthus (Osmanthus fragrans).

Known in the late 18th and early 19th centuries as massoy bark, massoia essential oil was once widely used as a natural coconut flavouring. Natural massoia lactone has been largely superseded by a synthetic alternative because the extraction process is expensive and the process of removing the bark kills the tree.

Massoia lactone has an odour that is described as sweet, coconut meat, lactonic, creamy, milky and waxy[2] and, at a dilution of 20 ppm, a taste described as creamy, coconut, green, and slightly fruity.


  1. ^ T. Rali, S. W. Wossa and D. N. Leach (2007) Molecules 12 149-154.
  2. ^ "Good Scents Company product page for Massoia Lactone"